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Flute Type Flute Type |
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 | Straight |
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Drill Bit Size Drill Bit Size |
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Drill Bit Decimal Size Equivalent Drill Bit DecimalSize Equivalent |
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Maximum Tapping Depth for Bronze Maximum TappingDepth for Bronze |
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Maximum Tapping Depth for Steel Maximum TappingDepth for Steel |
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Maximum Tapping Depth for Brass Maximum TappingDepth for Brass |
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Maximum Tapping Depth for Cast Iron Maximum TappingDepth for Cast Iron |
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Acme Thread Repairing Dies
Repair the broad, square threads on Acme threaded rods and studs. These dies are for use on general purpose Acme threads with a Class 2G thread fit. They're hex shaped for use with conventional wrenches.
| Thread Size | Thread Fit | Wd. | Material | Each | |
Acme Right-Hand Thread | |||||
|---|---|---|---|---|---|
| 3/8"-10 | Class 2G | 1 1/16" | High-Speed Steel | 0000000 | 000000 |
| 1/2"-8 | Class 2G | 1 1/16" | High-Speed Steel | 0000000 | 00000 |
| 1/2"-10 | Class 2G | 1 1/16" | High-Speed Steel | 0000000 | 00000 |
| 5/8"-6 | Class 2G | 1 1/4" | High-Speed Steel | 0000000 | 00000 |
| 5/8"-8 | Class 2G | 1 1/4" | High-Speed Steel | 0000000 | 00000 |
| 5/8"-10 | Class 2G | 1 1/4" | High-Speed Steel | 0000000 | 00000 |
| 3/4"-5 | Class 2G | 1 7/16" | High-Speed Steel | 0000000 | 00000 |
| 3/4"-6 | Class 2G | 1 7/16" | High-Speed Steel | 0000000 | 00000 |
| 3/4"-8 | Class 2G | 1 7/16" | High-Speed Steel | 0000000 | 00000 |
| 3/4"-10 | Class 2G | 1 7/16" | High-Speed Steel | 0000000 | 00000 |
| 7/8"-5 | Class 2G | 1 5/8" | High-Speed Steel | 0000000 | 00000 |
| 7/8"-6 | Class 2G | 1 5/8" | High-Speed Steel | 0000000 | 00000 |
| 1"-4 | Class 2G | 1 13/16" | High-Speed Steel | 0000000 | 00000 |
| 1"-5 | Class 2G | 1 13/16" | High-Speed Steel | 0000000 | 00000 |
| 1"-10 | Class 2G | 1 13/16" | High-Speed Steel | 0000000 | 00000 |
| 1 1/8"-5 | Class 2G | 2" | High-Speed Steel | 0000000 | 000000 |
| 1 1/4"-4 | Class 2G | 2 3/16" | High-Speed Steel | 0000000 | 000000 |
| 1 1/4"-5 | Class 2G | 2 3/16" | High-Speed Steel | 0000000 | 000000 |
| 1 1/2"-4 | Class 2G | 2 5/8" | High-Speed Steel | 0000000 | 000000 |
Acme Thread Taps
Form general purpose Acme threads. These high-speed steel taps are for use on most metal and plastic. With a square shank, they're compatible with tap holders for drill presses and milling machines. Also known as tandem taps, these have an extended chamfer with two sets of chamfered cutting threads. Because these sets of threads have different shapes, reversing the tap for removal may cause damage to the workpiece and is not recommended. Use these taps with a rigid setup to tap through holes only.
Metric acme threads are also known as trapezoidal threads.
Acme
Thread | Drill Bit | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Each | |
Right Hand | ||||||||
Uncoated High-Speed Steel | ||||||||
| 1/4"-16 | 1 3/4" | 3" | 10 ga. | 0.1935" | 4 | 2G | 00000000 | 000000 |
| 3/8"-12 | 2 1/8" | 4 1/16" | 7.6 mm | 0.2992" | 4 | 2G | 00000000 | 00000 |
| 7/16"-12 | 2 9/16" | 5" | 23/64" | 0.3594" | 4 | 2G | 00000000 | 000000 |
| 1/2"-10 | 2 9/16" | 5" | 13/32" | 0.4063" | 4 | 2G | 00000000 | 00000 |
| 5/8"-8 | 3 3/16" | 6 1/4" | 13 mm | 0.5118" | 4 | 2G | 00000000 | 000000 |
| 5/8"-10 | 3 3/16" | 6 1/4" | 17/32" | 0.5313" | 4 | 2G | 00000000 | 000000 |
| 3/4"-5 | 4 5/16" | 7 15/16" | 14.5 mm | 0.5709" | 4 | 2G | 00000000 | 000000 |
| 3/4"-6 | 4 5/16" | 7 15/16" | 39/64" | 0.6094" | 4 | 2G | 00000000 | 000000 |
| 3/4"-8 | 4 5/16" | 7 15/16" | 41/64" | 0.6406" | 4 | 2G | 00000000 | 000000 |
| 3/4"-10 | 4 5/16" | 7 15/16" | 21/32" | 0.6563" | 4 | 2G | 00000000 | 000000 |
| 3/4"-16 | 4 5/16" | 7 15/16" | 11/16" | 0.6875" | 4 | 2G | 00000000 | 000000 |
| 7/8"-6 | 4 3/8" | 8 5/8" | 47/64" | 0.7344" | 4 | 2G | 00000000 | 000000 |
| 1"-4 | 5 1/4" | 10 1/8" | 49/64" | 0.7656" | 4 | 2G | 00000000 | 000000 |
| 1"-5 | 5 1/4" | 10 1/8" | 21 mm | 0.8268" | 4 | 2G | 00000000 | 000000 |
| 1"-6 | 5 1/4" | 10 1/8" | 53/64" | 0.833" | 4 | 2G | 00000000 | 000000 |
| 1"-8 | 5 1/4" | 10 1/8" | 7/8" | 0.875" | 4 | 2G | 00000000 | 000000 |
| 1"-10 | 5 1/4" | 10 1/8" | 29/32" | 0.9063" | 4 | 2G | 00000000 | 000000 |
| 1 1/8"-5 | 5 1/4" | 10 3/4" | 24 mm | 0.9449" | 4 | 2G | 00000000 | 000000 |
| 1 1/4"-4 | 5 1/4" | 11 1/8" | 1 1/64" | 1.0156" | 4 | 2G | 00000000 | 000000 |
| 1 1/4"-5 | 5 1/4" | 11 1/8" | 1 5/64" | 1.0781" | 4 | 2G | 00000000 | 000000 |
| 1 3/8"-4 | 5 7/8" | 12 1/4" | 1 9/64" | 1.1406" | 4 | 2G | 00000000 | 000000 |
| 1 1/2"-4 | 5 7/8" | 12 5/8" | 32 mm | 1.2598" | 4 | 2G | 00000000 | 000000 |
| 1 1/2"-5 | 5 7/8" | 12 5/8" | 1 19/64" | 1.3" | 4 | 2G | 00000000 | 000000 |
Left Hand | ||||||||
Uncoated High-Speed Steel | ||||||||
| 1/4"-16 | 1 3/4" | 3" | 10 ga. | 0.1935" | 4 | 2G | 00000000 | 00000 |
| 3/8"-12 | 2 1/8" | 4 1/16" | 7.6 mm | 0.2992" | 4 | 2G | 00000000 | 00000 |
| 7/16"-12 | 2 9/16" | 5" | 23/64" | 0.3594" | 4 | 2G | 00000000 | 000000 |
| 1/2"-10 | 2 9/16" | 5" | 13/32" | 0.4063" | 4 | 2G | 00000000 | 00000 |
| 5/8"-8 | 3 3/16" | 6 1/4" | 13 mm | 0.5118" | 4 | 2G | 00000000 | 000000 |
| 5/8"-10 | 3 3/16" | 6 1/4" | 17/32" | 0.5313" | 4 | 2G | 00000000 | 000000 |
| 3/4"-5 | 4 5/16" | 7 15/16" | 14.5 mm | 0.5709" | 4 | 2G | 00000000 | 000000 |
| 3/4"-6 | 4 5/16" | 7 15/16" | 39/64" | 0.6094" | 4 | 2G | 00000000 | 000000 |
| 3/4"-8 | 4 5/16" | 7 15/16" | 41/64" | 0.6406" | 4 | 2G | 00000000 | 000000 |
| 3/4"-10 | 4 5/16" | 7 15/16" | 21/32" | 0.6563" | 4 | 2G | 00000000 | 000000 |
| 3/4"-16 | 4 5/16" | 7 15/16" | 11/16" | 0.6875" | 4 | 2G | 00000000 | 000000 |
| 7/8"-6 | 4 3/8" | 8 5/8" | 47/64" | 0.7344" | 4 | 2G | 00000000 | 000000 |
| 1"-4 | 5 1/4" | 10 1/8" | 49/64" | 0.7656" | 4 | 2G | 00000000 | 000000 |
| 1"-5 | 5 1/4" | 10 1/8" | 21 mm | 0.8268" | 4 | 2G | 00000000 | 000000 |
| 1"-6 | 5 1/4" | 10 1/8" | 53/64" | 0.833" | 4 | 2G | 00000000 | 000000 |
| 1"-8 | 5 1/4" | 10 1/8" | 7/8" | 0.875" | 4 | 2G | 00000000 | 000000 |
| 1"-10 | 5 1/4" | 10 1/8" | 29/32" | 0.9063" | 4 | 2G | 00000000 | 000000 |
| 1 1/8"-5 | 5 1/4" | 10 3/4" | 24 mm | 0.9449" | 4 | 2G | 00000000 | 000000 |
| 1 1/4"-4 | 5 1/4" | 11 1/8" | 1 1/64" | 1.0156" | 4 | 2G | 00000000 | 000000 |
| 1 1/4"-5 | 5 1/4" | 11 1/8" | 1 5/64" | 1.0781" | 4 | 2G | 00000000 | 000000 |
| 1 3/8"-4 | 5 7/8" | 12 1/4" | 1 9/64" | 1.1406" | 4 | 2G | 00000000 | 000000 |
| 1 1/2"-4 | 5 7/8" | 12 5/8" | 32 mm | 1.2598" | 4 | 2G | 00000000 | 000000 |
| 1 1/2"-5 | 5 7/8" | 12 5/8" | 1 19/64" | 1.3" | 4 | 2G | 00000000 | 000000 |
Metric Acme
Thread | Drill Bit | Right Hand | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Pitch, mm | Lg. | Overall Lg. | Size | Decimal Size Equivalent | No. of Flutes | Pitch Dia. Limit | Each | |
Uncoated High-Speed Steel | |||||||||
| M10 | 2 | 2.56" | 5 1/8" | 8 mm | 0.315" | 3 | H7 | 0000000 | 0000000 |
| M12 | 3 | 2.56" | 5 1/8" | 9 mm | 0.3543" | 3 | H7 | 0000000 | 000000 |
| M14 | 3 | 3.15" | 6 5/16" | 11 mm | 0.4331" | 4 | H7 | 0000000 | 000000 |
| M16 | 4 | 3.15" | 6 5/16" | 12 mm | 0.4724" | 4 | H7 | 0000000 | 000000 |
| M18 | 4 | 4.33" | 7 7/8" | 14 mm | 0.5512" | 4 | H7 | 0000000 | 000000 |
| M20 | 4 | 4.33" | 8 3/4" | 16 mm | 0.6299" | 4 | H7 | 0000000 | 000000 |
| M22 | 5 | 4.33" | 8 3/4" | 17 mm | 0.6693" | 4 | H7 | 0000000 | 000000 |
| M24 | 5 | 5.31" | 10 1/4" | 19 mm | 0.748" | 4 | H7 | 0000000 | 000000 |
| M26 | 5 | 5.31" | 10 1/4" | 21 mm | 0.8268" | 4 | H7 | 0000000 | 000000 |
Solid Carbide Internal Threading Lathe Tools
Made of solid carbide, these tools provide more rigidity than carbide-tipped tools. Use them to create internal Acme threads or V-shaped UNC, UNS, and UNF threads. All have flats on the shank for quick alignment.
Acme Threads
Acme Threads
| Threads Per Inch | Min. Hole Dia. | Max. Hole Dp. | Offset | Shank Dia. | Overall Lg. | Material | Nose Angle | For Use On | Each | |
Right Hand | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 0.49" | 2" | 0.12" | 1/2" | 3" | Micrograin Carbide | 29° | Aluminum, Brass, Bronze, Cast Iron, Nickel, Stainless Steel, Steel | 0000000 | 000000 |
| 5 | 0.49" | 2" | 0.12" | 1/2" | 3" | Micrograin Carbide | 29° | Aluminum, Brass, Bronze, Cast Iron, Nickel, Stainless Steel, Steel | 0000000 | 00000 |
| 4 | 0.49" | 2" | 0.15" | 1/2" | 3" | Micrograin Carbide | 29° | Aluminum, Brass, Bronze, Cast Iron, Nickel, Stainless Steel, Steel | 0000000 | 00000 |